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Your scapula should be in a neutral position. Your scapula and GH joint is responsible to bring your arms upwards. If you keep it retracted, your shoulder blades can’t rotate upwards. Upward rotation performed by upper traps, serratus anterior and lower traps. This force couple is important. During an overhead press, the shrug will come last, so imagine you’...


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Your rotator cuffs stabilises your head of humerus in the glenoid cavity. When doing that exercise, all the RCs got to work to make sure the head of humerus is centred in the socket. There needs to be a balance in the force coming from all the RCs. I’ll list the muscles used in concentric phase of movement: Step 1-2: Scapula retractors Step 3: External ...


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Do you have very tight chest and lat muscles? These are the 2 main internal rotators of your shoulder. You can try stretching those while strengthening your external rotators. I’m guessing what the image meant by internal rotation is referring to an anterior tilt of the scapula. Engaging lower traps may be difficult if there is a lack of strength to combat ...


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Jeremy Either (the guy in the pictures) isn't the most knowleable and trustworthy when it comes to human anatomy, but to his excuse when people talk about the rotator cuff they only mention it in two distinct occasions: Strenghtening the rotator cuff = only external rotators exist Injured rotator cuff = only internal rotators are the cause It's a common ...


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